New rule S6802: Using lambda expressions in loops should be avoided in Blazor markup section

[sebastien-marichal]

S6802: SonarSource/rspec#3215

[antonioaversa]

@sebastien-marichal I think we may have a few FPs on mudblazor
In this scenario, the lambda applies to the collection being iterated, that is evaluated only once, and the @foreach is outer-most, as far as I can tell.
Same applies here and here.

I think the IsWithinLoop check is a bit too generic:

node.AncestorsAndSelf().Any(x => x is ForStatementSyntax or ForEachStatementSyntax or WhileStatementSyntax or DoStatementSyntax)

foreach (var item in Collection.Where(x => x.Id == "idToFind")) {}